<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{padding: 0; margin: 0; list-style-type: none;}
        .cont{ width: 100%; overflow: hidden;}
        .c{ height: 150px; width: 100%; animation: up var(--i); transition: all 1s ease; transition-delay: var(--i); }
        @keyframes up {
            0%{
                transform: translateY(50px);
            }
            100%{
                transform: translateY(0px);
            }
        }
    </style>
</head>
<body>
    <div class="cont">
        <div class="c" style="--i:1s; background-color: aliceblue;"></div>
        <div class="c" style="--i:2s; background-color: aqua;"></div>
        <div class="c" style="--i:3s; background-color: beige;"></div>
        <div class="c" style="--i:4s; background-color: bisque;"></div>
    </div>
</body>
</html>